Create new request with E-mail command parsing enabled - assign subject?

Create new request with E-mail command parsing enabled - assign subject?

I have E-mail Command enabled and it is working as far as creating new requests by parsing emails. Question I have is can I somehow get it to parse for and enter a meaningfull subject into the new request? So far all the new requests have the subject of "Not Provided". Are the items below the only options for parsing emails?

@@OPERATION=AddRequest@@
@@CATEGORY=Printer@@
@@SUBCATEGORY=Tray1@@
@@ITEM=Paper Jam@@
@@LEVEL=Tier 1@@
@@MODE=Web Form@@
@@PRIORITY=High@@
@@URGENCY=High@@
@@IMPACT=Affects Group@@
@@GROUP=Printer@@
@@REQUESTER=Guest@@
@@REQUESTTYPE=Incident@@
@@ASSET=Printer1@@
@@TECHNICIAN=administrator@@
@@REQUESTTEMPLATE=Printer Problem@@